Hoffer, C. R. (1983). Teaching music in the secondary schools (3rd ed.). Wadsworth Pub.
Chicago Style (17. basım) AtıfHoffer, Charles R. Teaching Music in the Secondary Schools. 3rd ed. Belmont, Calif: Wadsworth Pub, 1983.
MLA (9th ed.) AtıfHoffer, Charles R. Teaching Music in the Secondary Schools. 3rd ed. Wadsworth Pub, 1983.
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